2005 Questions (July)

1]  Culture with Y or H shaped filament organism would be?

2]  Baby born to which type parental blood would have the greates chance of developing erythobtalis fetalis?Rh +ve mother,Rh-ve fatherRh +ve Mother and FatherRh -ve mother and fatherRh -ve mother and Rh+ve father (ANS)

3]  What premoar have three roots -MAND 2nd can sometimes have 3 roots!!!!Ans: maxillary 1st premolar or none… molar has 3 root..!

4] The respiratory quotient for a person taking pure glucose as food source is how much?Ans: 1Decreased CO2 concentration and Increased RQ

5] Manifestation of neurofibroma I ?

6] Where the ulnar nerve is easily injured?ANS: wrist fracture

7] What's posterior to azygos vein?ans: vegus nerve

8] Nerve supply to facial mucosa of lower ant. teethans: mental nerve

9] Nerve supply to facial mucosa of mandibular posterior teethans: trigeminal V3 mandibular nerve ….. bucaal nerve

10] Which artery of ECA you can't find in carotid triangle?ans: superficial temporal aretery

11] Histology related to articular cartilage

TYPE 1 COLLAGEN IN FIBROUSE CARTILAGETYPE 2 COLLAGEN IN ALMOST HYLAIN CARTILAGE

12] Secondary bone formationBone is specialized connective tissue with a calcified extracellular matrix (bone matrix) and 3 major cell types: the osteoblast, osteocyte, and osteoclast. The first type of bone formed developmentally is primary or woven bone (immature). This immature bone is later replaced by secondary or lamellar bone (mature). Secondary bone is further classified as two types:

trabecular bone (also called cancellous or spongy bone) and compact bone (also called dense or cortical bone).

13] Which is normal flora of ging. sulcus..s.actino, (ANS)s.myco,s. bacteriode ,s. mutan

14] Muscle will be damaged if tongue deviates to left on protrusion

15] lots of q's on premolars and lots of numbered teeth q's..

16] #23's eruption

17] Incubation period of 6 months - hep B

18] Branches of internal thoracic

19] Enzyme for rate limiting step of cholesterol synthesis

20] Syphilis effect on which tooth in addition to 1st molar

21] When a tooth has a screwdriver form

22] About reverse transcriptase

23] Fluorodeoxyuridine inhibits

ANS: The thymidylate synthase inhibitor

An antineoplastic antimetabolite that is metabolized to fluorouracil when administered by rapid injection; when administered by slow, continuous, intra-arterial infusion, it is converted to floxuridine monophosphate. It has been used to treat hepatic metastases of gastrointestinal adenocarcinomas and for palliation in malignant neoplasms of the liver and gastrointestinal tract.

24] Pain in tmj is manifested through branches of which nerve?ANS: mandibular nerve branch of trigeminal nerve

25] On closing the mouth,which muscle is the most important?Ans:masseter26] Function of inferior head of lateral pterygoidprotruding and side to side movement

27] How does p/o ratio alter in mitochondria,when an uncoupler is added?

28] Difference between t helper 1 and 2 cells

29] In protrusive movt of mandible...direction of movt of head on condyle...thst is does it come to lie against the slope of eminence,medial/lateral walls of fossa etc

30] #5 would replace what decidous tooth? primary maxillary 1st molar

31] In Protrusive movement right max central incior would come in contact with?lower cenral and lateral

32] ARDS could be caused by herione over dose,shock....... except??Other cause… pneumonia Sepsis 33] Patient comes with fractured femur dies with in couple of hours due to which emboli?pulmonary emboli

34] Patient allergic to pencillin ???? what would be ur choice?erythromycin

35] Hairy leukoplakia is caused by??Immunodeficiency mostly in HIV pt

36] Patient with leukmia has sudden bleeding from gums reason would be???

37] Most poweful muscle of mastication??lateral pterygoid mus38] Patient get a full denture and come back after few days with burning over the anterior region What is the resaon for the burning?inflammation39] If mandibular canine on right side is lost,how does it affect protrusive contacts on the left canine?anterior guidance failure

40] The mesial cervical line on #21 resembles the cervical line on which tooth(I chose the only other mandibular premolar mentioned compared to the other max teeth)?21 means: mandibular 1st premolar Mesial cervical curvature of 21 is same as distal cervical curvature of 2)or distal curvature of 20.(mandibular canine)

41] A patient walks in to the clinic and collapses.....on lab examination gram neg bacteria are found.....what is the possible cause of collapse:ans:gram neg endotoxin

42] Spread of infection from facial vein to cavernous sinus through...?

43] Infection from saggital sinus drains into...?cavernous sinus

44] Falciform ligament arises from ligamentum teres...which in turn arises from?

45] In dental anatomy, what would you have said to the parents of the kid with his central incisors drifting apart.diastema

46] Organism tested routinely by sanitation inspecitions for purity levels. in waterE coli47] What type of bone is epiphysis?Endochondral ossification48] So what about the TH1 and TH2 markers in lymphocytes?TH1 markers: characterized by the production of pro-inflammatory cytokines like IFN-γ, IL-2, and TNF-β. Th1 cells are involved in cell-mediated immunity.

TH2 markers: characterized by the production of IL-4, IL-5, IL-9, and IL-13. Th2 cells are thought to play a role in allergy responses49] What structure causes the buccal vestibule to decrease in size when the jaw is opened wide: Condyle, coronoid/hamular/ styloid process??

50]Symptoms of disease multiple myeloma : old guy 70 yr old, showes multiple osteolytic lesions , inv. flat bones.

51] Gram -ve shock

52] Hyperparathyroidism

53] Osteocytic osteolysis

54] Whats the use of statistics of mortality of dis. cancer more than aids in usa?

55] Patient having normal glucose metabolism. whats the vCO2\ v O2?

56] CA. OF BREAST

57] Most numerous papilla on tongue and which doesnt have taste buds.

58] which artery is not present in carotid tr. among branches of eca.spt and ma?

59] Orign and insertion of spenomandibular ligament.

60] Most common type of heart disease in US

61] Edema is caused by?

62] Example of primary active transport is?

63] Atrial depolarization is represented as what on EKG?

64] Ventrical repolarization is represented by what on EKG?

65] Bacteria that causes green pus?

66] Oncofetal antigens?

67] Calculation of H+ concentration from given pH

68]  The mandiublar condyle is covered with ....

a. Elastic tissueb. Hyanlinec. Periostiumd. Collagenous tissue

69] What syndrome is characterized by, increased succeptibility to infection, retinal something?

A. Gardner sydromeB. HypothyrodismC. HypopitutaryismD. Hyperthyrodism....

70] What characterizes Albers-Jeheurs syndrome?

71] Primate space in lower is between?

72] Derivatives of phrayngeal arch concerned to tongue

73] Mesiobuccal cusp of max molar occludes where?

74] If post crossbite which cusps would contact in mediotusive movement.?

75]  Nerve Supply For Circumbvallate Papilla- Glossopharyngeal Nerve76]  Histological Structure Of Thyroid Gland77]  Podocytes78] .muscle Present In 3rd Part Of Oesophagus79] muscle With Least Regenerating Capacity80] location Of Trigeminal Ganglion81] coronal Suture Connects- Frontal Nd Parietal82] RETROPERITONEAL ORGANS83]  CEREBRAL AQUEDUCT84] ORIGIN OF TIRGEMINAL NERVE85] PTERYGOPALATINE GANGLION86] LYME DISEASE87] ALYKYNAPTURIA88] DNA SPLICING89] EMISSARY VEINS90] .ENZYMES INITIATING FATTY ACID SYNTHESIS91] TYPE OF STREPTOCOCCI PRESENT IN ORAL CAVITY92]  TEST FOR STAPHYLOCOCCUS AUREUS93] CELLS PRESENT IN TYPE4 HYPERSENSITIVITY93] .PTERYGOMAXILLARY FISSURE95] NERVE SUPPLY FOR FLOOR OF THE ORAL CAVITY96] VIRUS STRUCTURE97] CELLS PRODUCING EPINEPHRINE98] DERMIS99] ENAMEL TUFTS100] ARRANGEMENT OF ENAMEL PRISMS TO RODS101] DIFFERENCES BETWEEN CORONAL ND RADICULAR PULP102] .PHARYNGEAL ARCHES ND POUCH103] CHANGES DUE TO LACK OF SURFACTANT (LUNGS)104] CARCINOMA OF THYROID IS COMMON IN ?105] HORMONE DEPENDENT NEOPLASMS106] .PAPILLOMA VIRUS 13.16- DISEASE THEY CAUSE107] FASTEST WAY OF STERILIZATION108] USE OF U.V.RAYS IN STERILIZATION109] .DIFFERENCE BETWEEN DISINFECTANT ND ANTI-SEPTIC110] ENZYMES FOR TRANS-AMINATION111]SUPERIOR MOST BRANCH OF EXTERNAL CAROTID ARTERY112] FEATURES OF BELLS PALSY

113] NERVE MOST EFFECTED IN FRACTURE OF HUMERUS114] genomic library

December 2004

1. What happens when you puncture your left lung? -left lung collapses -right lung collapses -both lungs collapse

2. During endochondral ossification, you see parallel rows of enlarged chondrocytes. What is occurring there? -hypertrophy and calcification -proliferation

3. zygmaticotemporal and zygomaticofacial are branches of what? -v1 -v2 -v3 -facial

4. As a tooth undergoes attrition, it maintains contact with the opposing dentition. This is a result of -secondary dentin -apical cementum -alveolar bone -coronal enamel -bundle bone

5. Know that calcitonin is made by parafollicular cells of thyroid

6. Which of the following can be used to differentiate between arch of aorta and brachial artery? -Tunica media -tunica adventitia -epithelium

7. Tap masseter? -initiate stretch reflex

9. The thenar muscles are innervated by the -radial -median -ulnar -axillary

10. If you damage the coracoid process, which muscles are damaged?

-pec minor and biceps brachii

11. Most inferior branch of external carotid

-superior thyroid

12. The inability to move the diaphragm because of a complete spinal section at -C2 -C6 -C7 -C8

13. Spinal cord lesion at T2 -same side below T2 is affected

14. What is an enamel spindle -elongated odontoblastic process

15. Which muscles close the nasopharynx? -tensor veli palatini and levator veli palatini

16. Which of the following bones is NOT part of the calavaria? -zygoma -frontal -occipital -temporal -parietal

17. If there is a deficiency of sensation on the left sife of the face where is the deficit in the brain? -right parietal

18. Which pair of muscles are innervated by V? -Medial and lateral pterygoid

19. Where is the cell body of a somatic afferent located? -dorsal root ganglia

20. What type of muscle has intercalated discs? -cardiac

21. If you touch a person's right cheek, which lobe gets stimulated?

-left parietal(remember, sensory crosses over- motor does not!!!!!!!!)

22. Which vein connecting the cavernous sinus with facial vein? -Deep facial vein? Please check your answer

23. Increased sympathetic stimulation would cause all of the followingEXCEPT:A. Increased blood flow to the skinDental Anatomy - Occlusion

1. What tooth has a wider F-L dimension than M-D dimension?

-mandibular 1st premolar -mandibular 2nd premolar -maxillary 2nd premolar

2. What muscle has fibers that are in the lingual frenum? -genioglossus -hyoglossus -mylohyoid

3. On tooth 21, if there is a second canal, where is it? -facial -lingual -mesial -distal

4. What is last primary tooth to erupt? -maxillary 2nd molar

5. Most common anomaly of maxillary canine? -lingual tubercle -second canal

6. Moving the mandible from maximum ICP to retruded contact position, the following will result: -increase vertical occlusal dimension -decrease vertical occlusal dimension -decrease horizontal overlap -increase vertical overlap

1. If the respiratory quotient is 0.7, the primary energy source is: fat, ketone bodies, glucose, etc.

2. What increases the affinity of Hgb for oxygen? Increased pH, temp, etc3. lingual a’s relation to hyoglossus ms. Superficial to vs. deep4. which ms depresses lat borders of tongue? Genioglossus, hyoglossus, etc5. which nerve fibers travel throughout the course of the ling n to receive sensory

input from ant 2/3 of tongue? 6. the substrate for glucosyltransferase is: sucrose, glucose, fructose, etc7. which vessel is outside the portal triangle? Portal v, central v, hepatic a, bile duct8. secretory IgA protects the mouth from S.mutans by: preventing invasion of

mucous memb9. which factor prevents a large mass of plaque accumulation? Salivary flow10. the parotid duct pierces which ms? Buccinator11. multidrug resistance is enabled by: plasmids12. verify sterilization efficacy of autoclaving by testing: bacterial spores13. bact spores used to test sterility: Bacillus anthracis14. 2% glutaraldehyde soln is used as: disinfectant, immersion soln, hand-washing15. which detergent eliminates lipophilic and nonlipophilic bugs? Benzalkonium

chloride, iodophor, isopropyl alcohol16. in cystic fibrosis, what is unusual about the sweat? Increased Na and Cl17. case Q re: DM pt who took I in AM, went jogging, came to dent office w/ Sx of

anxiety, not usual self. Ans: hypoglycemia18. when alveoli collapse: atelectasis19. drawing of max L canine. Identify

20. when restoring incial edge of ant tooth, which mand movt is impt to check? Protrusion

21. if something enters lymph in GI area, where will it first reach bloodstream? Brachiocephalic v

22. where are submucosal glands located? Duodenum, stomach23. which H induces bicarbonate secretion into duodenum? Secretin24. what’s the fxn of gastroesophageal sphincter? Prevents reflux of stomach contents25. which is the most likely cause of GI cancer? Villous adenoma, duodenal ulcers26. which virus is most assoc w/cancer in genital region? HPV27. chronic gastritis is not caused by? Cigarette smoking28. asbestos in lung will cause? Mesothelioma29. hairy leukoplakia in mouth is most assoc w/ which virus? HSV1, HSV2, EBV,

CMV1) Which of the following describes the proper axial inclination of the palatal root of a maxillary 2 molar?

A. VerticalB. Mesial and LingualC. Mesial and FacialD. Distal and FacialE. Distal and Lingual

2) The superior joint cavity of the TMJ joint is bordered by:

A) Glenoid fossa ans the condyle.B) Mandibular fossa and the superior surface of the disc.C) Mandibluar fossa and the superior surface of the condyle.D) Inferior surface of the disc and the superior of the condyle.E) Superior surface of the disc and the superior surface of the condyle.

3) Which of the following statements best describes the "compensating occlusal curvature?" CURVE OF SPEE

A) The line beginning at the tip of the canines and following the facial cusps of posterior teeth, as viewed from the facial aspect.B) The inclination of teeth in relation to the vertical long axis of the body.C) Any prominent ridge of enamel immediately above the cervical line of the crown of tooth.D) A notably pointed or rounded eminence on or near the masticating surface of tooth.E) The spherical composite arrangement fo the occlusal surfaces and incisal edges of the teeth in both dental arches.

4) The MOST convex incisal angle on anterior teeth is found on which angel of which incisior?

A) Distoincisal -- Maxillary lateralB) Distoincisal -- Mandibular lateralC) Distoincisal -- Mandibular centralD) Mesioncisal -- Maxillary lateralE) Mesioncisal -- Maxillary central

5) Each of the following is conditio usually found in a mutually protected occlusion, in the normal upright position, Except one. Which one is this exception?

A) None of the posterior teeth contact on the non-working side when the mandible move laterally.B) Anterior teeth disclude all posterior teeth in protrusive movement.C) Condyles are in their most supero anterior position in closure.D) Anterior teeth contact more heavily than the posterior teeth.E) Axial loading of occlusal forces occurs in closure.

6) Which of the following structures contains both ascending and descending fibers to/frm cerebral cortex?

A. ventral ponsB. pyramidal tracts C. medial lemniscusD internal capsuleE medial forebrain bundle

7) Which of the following represents primary function of lysosome in steroid producing cell?

A. digest cellular debrisB. hydrolyze spent cellular organellesC. remove excess steroids from the cellD. remove steroid precursors from the cellE. cleave the ester from cholesterol ester to produce free cholesterol

8) Polymerisation of molecules into collagen fibrils occurs in the

A.ribosomesB.lysosomesC. extracellular space

D. rough endo plasmic reticulumE. smooth endoplasmic reticulum

k9) Injury of spinal accessory , while in posterior triangle, will cause paralysis of the

A. platysmaB. trapeziusC.splenius capitusD. sternocleidomastoidE. inferior belly of omohyoid

Anatomy

10) Which of the following represents a well-vascularized structure in the temporomandibular joint?

A. Retrodiscal tissuesB. Fibrous covering of the condyleC. Central portion of the articular discD. Fibrous covering of the articular eminenceE. Fibrous covering of the condylar surface

11) In hydrocephalus, excess cerebral spinal fluid is found within which of the following?

A. VentricleB. Subdural spaceC. Cisterna magnaD. Subarachnoid spaceE. Superior sagittal sinus

12) If a tooth is out of occlusion for an extended period of time, then the

A. PDL width decreases (due to deposite of cementum)B. Bone lining the alveolus thickensC. Tooth always ankyloses to the alveolusD. PDL fiber bundles reverse their orientationE. Tooth hypererupts as a result of increased dentin production

13) Which of the following is located extracellularly?

A. LysosomesB. MicrotubulesC. TonofibrilD. GlycocalyxE. Keratohyalin granules

Glycocalyx is a general term referring to extracellular polymeric material (glycoprotein)[1] produced by some bacteria, epithelia and other cells. The slime on the outside of a fish is considered a glycocalyx. The term was initially applied to the polysaccharide matrix excreted by epithelial cells forming a coating on the surface of epithelial tissue.

14) In erythropoiesis, which of the following increases from the proerythroblast to the mature erythrocyte?

A. Cell size B. Phagocytic ability

C. Cytoplasmic acidophiliaD. Cytoplasmic basophilia

Dental Anatomy

15) Which of the following anatomic factors will restrict the amount of lateral shift that can occur on a working condyle?

A. Medial wall of the articular fossa on the working sideB. Superior wall of the articular fossa on the non-working sideC. Capsular ligamentsD. Stylohyoid ligamentE. Stylomandibular ligament

16) A patient has an extremely wide, notched tooth in the mandibular left central incisor position. Clinical and radiographic examinations reveal 28 teeth have erupted, but four third molars have not erupted. Which of the following conditions exists?

A. FusionB. Dens in denteC. ConcrescenceD. DilacerationE. Gemination

Micro & Path

17) Which of the following statements describes an example of innate immunity?

A. An allergic reaction to insect venomB. The classical pathway of complementC. The destruction of virus-infected cells by T-killer cellsD. The production of IgG in response to insect venomE. The alternative pathway of complement

18) The epidemic of HIV-related disease bears major responsibility for the resurgence of which respiratory pathogen?

A. Streptococcus pneumoniaeB. Hemophilus infuenzaeC. Streptococcus pyogenesD. Mycobacterium tuberculosisE. Mycoplasma pneumoniae

19) Which of the folliwng represents a risk factor for the development of endometrial carcinoma?

A. HPV infectionB. EndometriosisC. Multiple leiomyomasD. Multiple pregnanciesE. Hyperestrogenism

20) Which of the following types of bronchogenic carcinoma is MOST commonly associated with paraneoplastic syndrome?

A. Small cellB. Large cellC. MesotheliomaD. Squamous cellE. Adenocarcinoma

21) Each of the following statements about lymphocyte activation is correct EXCEPT one. Which one is this EXCEPTION?

A. Interelukin 5 is a B cell growth and differentiation factor.B. Interleukin 2 stimulates proliferation of T and B lymphocytes.C. B lymphocytes recognize antigen on the surface of antigen presenting cells in the context of HLA-D molecules

D. T lymphocytes recognize antigen on the surface of antigen presenting cells in the context of HLA-B molecules.

22) In essential hypertension, which of the following represents the classic autopsy finding in the kindney?

A. PyelonephritisB. GlomerulonephritisC. Benign nephrosclerosisD. Renal artery stenosisE. Renal infraction

23) Aspiration of food can result in each of the following conditions EXCEPT one. Which one is this EXCEPTION?

A. PneumoniaB. PneumothoraxC. Lung abscessD. AtelectasisE. Asphyxiation

24) Each of the following is a type of inflammatory exudates EXCEPT one. Which one is the EXCEPTION?

A. SerousB. FibrousC. PurulentD. FibrinousE. Pseudomembranous

Biochem

25) The main route of calcium excretion from a normal human adult is

A. urine.B. SweatC. SalivaD. FecesE. Tears

26) Atropine prevents the secration of saliva resulting from stimulation of the chorda tympani because it

A. denatures the salivary gland proteins.B. Prevents the action of acetylcholine on the secreting cells

C. Prevents release of acetylcholine by parasympathetic postganglionic fibersD. Prevents release of acetylcholine by sympathetic postganglionic fibersE. Prevents release of acetylchonie in autonomic ganglia

27) An analysis of an EKG shows P-waves occurring in the S-T segment. This would indicate ectopic beats originating in the

A. atriaB. A-V nodeC. Lower portion of the bundle of HisD. Upper portion of the bundle of His

28) Which of the following enzymes synthesizes polynucleotide chains from nucleotides and does NOT required a primer chain?

A. LigaseB. ExonucleaseC. EndonucleaseD. DNA polymeraseE. RNA polymerase

29) Which of the following types of blotting can be used to identify DNA restriction fragments?

A. EasternB. SouthernC. NorthernD. Western

30) Which of the following is a nucleotide?

A. UrateB. UracilC. RiboseD. AdenosineE. Thymidylate

31) Which of the following enzymes seals nicks in DNA?

A. LigaseB. ExonucleaseC. EndonucleaseD. DNA polymeraseE. RNA polymerase

32) Each of the following coenzymes is a component of the pyruvate dehydrogenase complex EXCEPT one. Which one is this EXCEPTION?

A. NADB. BiotinC. Coenzyme AD. Lipoic acidE. Thiamine pyrophosphate

33) The cell membrane is LEAST permeable to which of the following substances?

A. O2B. CO2C. H2OD. SodiumE. Ethanol

34) How many nucleotides are needed to code for protein with 150 amino acids? 1 amino acid= 3 nucleotides150 * 3=450

A. 50B. 150C. 300D. 450E. 600

35) Which nerve is most affected in the fracture of the humerus?

-the radial nerve

36) The coronal suture connects what bones?

-the frontal and parietal!

37) What are 3 hormone dependent neoplasms?

-ovarian -prostate -breast

38) What is the superior most branch of the external carotid artery?

-the superficial temporal artery.

39) What is the test for staphylococcus aureus?

-the coagulase test

40) Who is thyroid cancer common in? What are the types? -common in women (not genetically transferred though)

-papillary and reticular types.

41) What cells produce epinephrine?

-chromafin cells of the adrenal medulla.

42) What is Lancefield classification?- It is based on cell wall polysaccharide C, or lipoteichoic acid moiety - Based on a group specific carbohydrate or lipoteichoic acid antigen in the cell wall

43) What is posterior to the azgous vein?

-The right vagus nerve.

44) What is the nerve supply to the facial mucosa of the lower anterior teeth?

-mental nerve

45) What is the nerve supply to the facial mucosa of mand posterior teeth?

- buccal nerve

46) 33.PAPILLOMA VIRUS 13.16- DISEASE THEY CAUSE oral warts, oral papilloma, condyloma accuminatum, cervical cancer

1. Nerve Supply For Circumbvallate Papilla- Glossopharyngeal Nerve

2. Histological Structure Of Thyroid Gland

Follicles